A long wire carries a current of 3.0 A along the axis of a long solenoid (radius = 3.0 cm, n = 900 turns/m, current = 30 mA). What is the magnitude of the magnetic field at a point 2.0 cm from the axis of the solenoid? Neglect any end effects

a. 34 mT
b. 64 mT
c. 30 mT
d. 45 mT
e. 4.0 mT


D

Physics & Space Science

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